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Revenue (Tables) | 9 Months Ended
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Dec. 31, 2024
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | The following table provides information regarding the Company’s revenue for each of the services it provides pursuant to its spectrum revenue agreements for the three and nine months ended December 31, 2024 and 2023 (in thousands):
| Three months ended December 31, |  | Nine months ended December 31,
| 2024 |  | 2023 |  | 2024 |  | 2023
Spectrum revenue |  |  |  |  |  |  |
900 MHz Broadband Spectrum Revenue |  |  |  |  |  |  |
Ameren Corporation | $ | 197 |  | $ | 152 |  | $ | 535 |  | $ | 456
Evergy | 385 |  | 274 |  | 1,156 |  | 822
Xcel Energy | 801 |  | 663 |  | 2,404 |  | 1,107
Narrowband Spectrum Revenue |  |  |  |  |  |  |
Motorola | 183 |  | 182 |  | 547 |  | 546
Total spectrum revenue (1) | $ | 1,566 |  | $ | 1,271 |  | $ | 4,642 |  | $ | 2,931
1.Revenue recognized during the three and nine months ended December 31, 2024 and 2023 was included in deferred revenue at the beginning of the respective periods.
Schedule of Contract Assets | The Company’s capitalized contract costs consisted of the following activity during the three and nine months ended December 31, 2024 and 2023 (in thousands):
| Three months ended December 31, |  | Nine months ended December 31,
| 2024 |  | 2023 |  | 2024 |  | 2023
Balance at the beginning of the period | $ | 1,102 |  | $ | 884 |  | $ | 1,027 |  | $ | 870
Additions | 117 |  | 12 |  | 233 |  | 45
Amortization | (71) |  |  | (13) |  |  | (112) |  |  | (32) |
Balance at the end of the period | 1,148 |  | 883 |  | 1,148 |  | 883
Less amount classified as current assets (1) | (757) |  |  | (425) |  |  | (757) |  |  | (425) |
Noncurrent assets (1) | $ | 391 |  | $ | 458 |  | $ | 391 |  | $ | 458
1.Current assets are recorded as prepaid expenses and other current assets and noncurrent assets are recorded as other assets on the Company’s Consolidated Balance Sheets.
Schedule of Contract Liabilities | The Company’s contract liabilities consisted of the following activity during the three and nine months ended December 31, 2024 and 2023 (in thousands):
| Three months ended December 31, |  | Nine months ended December 31,
| 2024 |  | 2023 |  | 2024 |  | 2023
Balance at the beginning of the period | $ | 126,627 |  | $ | 80,265 |  | $ | 122,212 |  | $ | 60,759
Net additions (1) | 1,000 |  | 28,066 |  | 8,491 |  | 49,232
Revenue recognized | (1,566) |  |  | (1,271) |  |  | (4,642) |  |  | (2,931) |
Balance at the end of the period | 126,061 |  | 107,060 |  | 126,061 |  | 107,060
Less amount classified as current liabilities (2) | (5,962) |  |  | (6,163) |  |  | (5,962) |  |  | (6,163) |
Noncurrent liabilities (2) | $ | 120,099 |  | $ | 100,897 |  | $ | 120,099 |  | $ | 100,897
1.Represents milestone payments received from customer contracts pursuant to the terms of the associated spectrum revenue agreements, net of delivery delay adjustments. 2.Current liabilities and noncurrent liabilities are recorded as deferred revenue on the Company’s Consolidated Balance Sheets.

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